Hardware closer to city centers is denser, and when higher it is lighter

Engineering

Empirical

Prediction

7. Infrastructure

II. Physics

62

61

City centers are taller, and hold more recently designed hardware

Engineering

Empirical

Prediction

7. Infrastructure

II. Physics

63

62

Fractal cooling pipe systems occupy roughly half of city volume

Engineering

Empirical

Prediction

7. Infrastructure

II. Physics

64

63

Ems live in huge dense cities of population around 1 trillion

Engineering

Empirical

Prediction

62

7. Infrastructure

II. Physics

65

64

Pipes may push in ice slurries and pull out near boiling water, in which case em hardware is also that hot

Engineering

Empirical

7. Infrastructure

II. Physics

66

65

Buildings are made fast from modular units, don’t last as long as our buildings do, connect into a lattice to jointly resist winds, and are less resistant to earthquakes

Empirical

7. Infrastructure

II. Physics

67

66

Adiabatic reversible manufacturing spends roughly the same on renting factories as on energy and cooling to run them.

Empirical

7. Infrastructure

II. Physics

68

67

Ems spend leisure time in virtual realities of spectacular comfort, beauty, and artistry, and which prevent direct violence

Empirical

8. Appearances

II. Physics

69

68

Most ems also work in virtual offices, where environments need to not be overly distracting

Empirical

8. Appearances

II. Physics

70

69

Em virtual realities have many elements that would be recognizable and familiar to us

Empirical

8. Appearances

II. Physics

71

70

In contrast, em physical objects look more harsh and functional when viewed directly

Empirical

8. Appearances

II. Physics

72

71

Em virtual and physical spaces may be integrated into a common spatial representation, to help ems reason about brain locations

Empirical

8. Appearances

II. Physics

73

72

An em whose virtual body travels too far from its brain must accept delayed reactions to local events

Empirical

8. Appearances

II. Physics

74

73

It is usually prohibitively expensive to have active intelligent non-player characters in em virtual realities.

Empirical

8. Appearances

II. Physics

75

74

Ems see not just real and virtual worlds, but also ways to manage their brain’s speed, connections, security, and location

Empirical

9. Information

II. Physics

76

75

Some ems, such as spurs and retirees, are not visible in default views of spaces, but are visible on request

Empirical

9. Information

II. Physics

77

76

Ems can usually verify the identity of interaction partners and ems want reliable records of their copy history

Empirical

9. Information

II. Physics

78

77

ems save audio-visual recordings of their lives

Empirical

9. Information

II. Physics

79

78

Ems agree to sometimes be placed into sims which they cannot at the time distinguish from reality

Empirical

9. Information

II. Physics

80

79

Each sim usually serves several functions at once

Empirical

9. Information

II. Physics

81

80

Ems in unusual situations suspect that they are in a sim, which makes ems especially loyal and reliable in such situations.

Empirical

9. Information

II. Physics

82

81

When blank em hardware is available, an existing em is easily copied into that hardware, resulting in a new em with exactly the same memories and mental habits, but with new diverging experiences from that point forward

Empirical

10. Existence

II. Physics

83

82

Ems who can veto copies feel stronger ownership of their existence

Empirical

10. Existence

II. Physics

84

83

Ems are usually created to fill jobs that create a value of a few times the em hardware cost

Empirical

10. Existence

II. Physics

85

84

Strong global coordination to regulate copying could prevent this, but needs strong surveillance, which is hard to manage

Brains, like other complex adaptive systems, become inflexible with experience adapting to particular environments

Empirical

11. Farewells

II. Physics

88

87

So within a subjective few centuries, ems become no longer competitive with younger ems and so must retire

Empirical

11. Farewells

II. Physics

89

88

Slow retirement is very cheap, but as with the naturally-slow humans, a slow retiree’s expected lifespan is limited by em civilization instabilities

Empirical

11. Farewells

II. Physics

90

89

Em retirees are like ghosts in many ways

Empirical

11. Farewells

II. Physics

91

90

Ems see making a copy who ends after doing a short task not as “death,” but as a part of them they choose not to remember

Empirical

11. Farewells

II. Physics

92

91

Ems usually have a right to suicide.

Empirical

11. Farewells

II. Physics

93

92

By the time 1000 humans have been scanned to make ems that compete for jobs, and 1000 useful mind tweaks are available, then almost all wages fall to within roughly a factor of four of the cost to rent em hardware and supporting utilities

Empirical

12. labor

III. Economics

94

93

Most humans before the industrial era, and almost all animals ever have had “Malthusian” wages

Empirical

Historical summary

12. labor

III. Economics

95

94

While ems are “poor” in this sense, they need not suffer physical hunger, exhaustion, pain, sickness, grime, or unexpected death

Empirical

12. labor

III. Economics

96

95

The fraction of world income that goes to wages increases, and most wage premiums disappear.

Empirical

12. labor

III. Economics

97

96

ems who are paid at all are paid about the same

Empirical

12. labor

III. Economics

98

97

The first scans are destructive, and of peak-career humans.

Empirical

12. labor

III. Economics

99

98

Later scans are of young humans better able to learn.

Empirical

12. labor

III. Economics

100

99

Most wages go to the 1000 most productive clans, who know each other very well

Empirical

13. Efficiency

III. Economics

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